1856022 has 48 divisors (see below), whose sum is σ = 4432320. Its totient is φ = 516432.

The previous prime is 1856021. The next prime is 1856027. The reversal of 1856022 is 2206581.

It is a junction number, because it is equal to n+sod(n) for n = 1855983 and 1856001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1856021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17293 + ... + 17399.

It is an arithmetic number, because the mean of its divisors is an integer number (92340).

2^1856022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1856022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2216160).

1856022 is an abundant number, since it is smaller than the sum of its proper divisors (2576298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1856022 is a wasteful number, since it uses less digits than its factorization.

1856022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1856022 is about 1362.3589835282. The cubic root of 1856022 is about 122.8931585928.

The spelling of 1856022 in words is "one million, eight hundred fifty-six thousand, twenty-two".